EP2962675B1 - Pied pour table d'opération - Google Patents

Pied pour table d'opération Download PDF

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Publication number
EP2962675B1
EP2962675B1 EP15171217.1A EP15171217A EP2962675B1 EP 2962675 B1 EP2962675 B1 EP 2962675B1 EP 15171217 A EP15171217 A EP 15171217A EP 2962675 B1 EP2962675 B1 EP 2962675B1
Authority
EP
European Patent Office
Prior art keywords
operating table
adjustment
transport roller
state
table base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP15171217.1A
Other languages
German (de)
English (en)
Other versions
EP2962675A1 (fr
Inventor
Guido Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maquet GmbH
Original Assignee
Maquet GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maquet GmbH filed Critical Maquet GmbH
Priority to PL15171217T priority Critical patent/PL2962675T3/pl
Publication of EP2962675A1 publication Critical patent/EP2962675A1/fr
Application granted granted Critical
Publication of EP2962675B1 publication Critical patent/EP2962675B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/104—Adaptations for table mobility, e.g. arrangement of wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A61G13/04—Adjustable operating tables; Controls therefor tiltable around transverse or longitudinal axis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/02—Adjustable operating tables; Controls therefor
    • A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories

Definitions

  • the invention relates to an operating table base for an operating table.
  • the patient support surface Before and during surgery of a patient supported on a patient support surface of an operating table, the patient support surface is placed in a position that facilitates engagement with the patient. It may be necessary to pivot the patient support surface about a horizontal axis by an angle from a large angular range.
  • the height of the patient support surface of the operating table should be adjustable in the largest possible range. Ideally, the operating table also allows very low heights of the patient support surface, which requires a space-saving design of the operating table column.
  • Inpatient operating tables have an operating table column fixedly connected to the floor of an operating room, where they usually have no operating table base and are powered by permanently installed cables.
  • Movable operating tables have an operating table base connected to the operating table pedestal, which may have rollers, and a patient support surface that can be detached and reconnected from the operating table column.
  • Operating table feet Mobile operating tables have rollers for operating the operating table, so that they can be moved without additional aids and are suitable for transporting a patient. During the procedure on the patient, however, a secure position of the operating table must be ensured. In simple operating tables this is done by locking several transport rollers, while high-quality operating tables, a chassis of the operating table base is lowered, so that it rests on the floor. For this purpose, the transport rollers are vertically adjustable integrated in the operating table base and can be moved down so that the contact of the chassis is lifted to the ground and the operating table is on the transport rollers.
  • the patient support surface is usually fixedly connected to the operating table column and is not released from the operating table column during hospital operation.
  • electric traction drives preferably with soft start and safety brake function, can be used to move the mobile operating table by means of the electric traction drive.
  • electromotically adjustable components may be provided, such as an electromotively variable operating table column for varying the height of a patient support surface disposed on the operating table column, an operating table column head adjustable in two orthogonal axes for varying inclination and the canting of the patient support surface connected to the operating table column head and / or components of the patient support surface which can be adjusted by means of an electric motor.
  • the pivot levers are interconnected by a common drive and a linkage. It is an object of the invention to provide an operating table foot, which allows a simple construction and a flat design and is inexpensive. This object is achieved by an operating table base with the features of claim 1.
  • the operating table according to the invention has at least two extendable transport rollers, wherein the operating table is in the retracted state of the transport rollers on at least one support element of the operating table, and wherein the operating table is movable in the extended state of the transport rollers on the transport rollers.
  • the operating table base has a first mechanical adjustment unit with the aid of which the state of the first transport roller can be changed at least from the retracted state to the extended state. Furthermore, it has a second mechanical adjustment unit, by means of which the state of the second transport roller can be changed at least from the retracted state to the extended state. With the aid of a drive unit, the first adjustment and the second adjustment can be driven.
  • the drive unit is connected via a mechanical connecting means with the first and the second adjusting unit.
  • transport rollers In the retracted state of the transport rollers they do not carry the operating table or only to an insignificant proportion. In the extended state of the transport rollers carry the transport rollers and any other roles the weight of the operating table. In particular one speaks of extended transport roles, if the transport rollers project out of the bottom of the chassis or the housing of the operating table base. Instead of individual transport rollers, a transport roller assembly comprising at least two transport rollers can be used in each case.
  • the operating table is carried in the extended state of the transport rollers of these and can be moved or rolled on the transport rollers.
  • the operating table foot can have further transport rollers with or without its own adjustment unit for extending the transport rollers.
  • the non-extendable transport rollers are then permanently out of the chassis or the housing of the operating table base.
  • An advantage of the operating table according to the invention over the prior art is the simple structure and the cheaper production.
  • a separate drive is not required for each transport roller to extend the transport rollers, but only a single drive for all transport rollers.
  • expensive hydraulic units as are customary in the prior art, can be dispensed with.
  • Another advantage over the prior art is the more flexible positioning possibility of the drive unit, whereby a lower height of the operating table base over known operating table feet with extendable transport rollers is possible.
  • the first and the second adjustment unit are connected to the drive unit via a chain or a belt.
  • An advantage of this development is that a simple, inexpensive and robust connection means can be used.
  • the drive unit can be flexibly adapted to the particular structural conditions of the operating table base. It is particularly advantageous if the belt is designed as a toothed belt. This allows an equally secure engagement of the belt with the adjustment units, as it chain is the case and the timing belt is maintenance free and easy to install.
  • a closed drive train is understood to mean a drive train without start and end point. This is especially the case with a ring.
  • An advantage of this annular configuration is that the connecting means can exert a force in a clockwise and counterclockwise direction on the adjusting units. This can be used to bring the transport rollers in driving the connecting means in a first direction from the retracted state to the extended state and bring in driving the connecting means in the opposite direction from the extended state to the retracted state.
  • the first drive unit comprises an electric motor which drives a threaded nut of a screw gear via a gear stage when the internal thread of the threaded nut engages with the external thread of a threaded rod when the threaded nut is stationary in the direction of the longitudinal axis of the threaded rod and around the Longitudinal axis of the threaded rod is rotatably mounted when a first end of the threaded rod is connected to a first end at a first end of the chain or the belt, and when a second end of the threaded rod is connected to a second end of the chain or the belt.
  • the first drive unit comprises a synchronizing cylinder with a first piston rod and a second piston rod. In this case, the free end of the first piston rod is connected to a first end of the chain or the belt and the free end of the second piston rod to a second end of the chain or the belt.
  • the mechanical connecting means is in engagement with a first gear or gear segment of the first adjusting unit and with a second gear or gear segment of the second adjusting unit, wherein a rotation of the gear wheels occurs during a movement of the connecting means engaging with the gear wheels , and wherein by the rotation of the gears, the transport rollers from the retracted to the extended state and from the extended to the retracted state can be brought.
  • the adjusting units are preferably designed so that a rotation of the respective gear or gear segment by an angle in the range 20 ° to 180 ° brings the respective transport roller from the retracted to the extended state.
  • a particularly preferred angular range is 30 ° to 120 °.
  • An advantage of the above-mentioned embodiment is that a secure connection between the mechanical connecting means and the adjusting units is ensured by selecting a gear or gear segment. This is the case in particular when using a chain or a toothed belt as connecting means. Furthermore, these rotating connecting means can be driven easily with only one drive unit. Through the use of gears or gear segments, the force can be easily transferred to the adjustment units.
  • the first adjustment unit has a vertically arranged first bearing journal with a vertical first longitudinal axis and a first pin guide for guiding a relative movement between the first pin guide and the first bearing pin in the vertical direction.
  • the first adjustment unit has at least one first adjustment element with a first gradient surface, with which a first engagement element of the first pin guide is engaged such that upon a relative movement of the first engagement element along the first slope surface, a translatory adjustment movement of the first adjustment element takes place.
  • the second adjusting unit has a second pin guide with a second longitudinal axis for guiding a relative movement between the pin guide and the second bearing pin in the vertical direction at least one second adjusting element with a second slope surface with which a second engagement element of the second pin guide is engaged during a relative movement of the second engagement element along the second pitch surface, a translational adjustment movement of the second adjustment element takes place.
  • An adjusting movement is here understood to mean a movement for extending and retracting the transport rollers.
  • the retraction of the transport rollers thereby changes the state from the extended state to the retracted state
  • the extension changes the state from the retracted state to the extended state.
  • at the adjusting movement takes place in each case a movement of the adjusting element about the longitudinal axis of the respective journal, along a pitch surface arranged around this longitudinal axis with a slope relative to the horizontal.
  • the slope surface can be designed for example as a threaded portion of an external or internal thread.
  • two pitch surfaces are used, which are arranged offset to the other by an angle of 180 °. It is particularly advantageous if three offset by an angle of 120 ° pitch surfaces are used, each with an engagement element.
  • the upper end of the first journal has a connection region, via which the first bearing pin is fixedly connected to a chassis of the operating table base, that the upper end of the second journal has a connection region through which the second journal with the Chassis of the operating table base is firmly connected, that the first adjusting element of the first adjusting unit is rotatably mounted about the first longitudinal axis, and that the second adjusting element of the second adjusting unit is rotatably mounted about the second longitudinal axis.
  • first adjusting element and the second adjusting element are connected via the mechanical connecting means to the first drive unit such that they are rotated about the longitudinal axis of the respective journal when driven by the first drive unit, that the first pitch surface on the first engaging element when changing the state the first transport roller rests that the second slope surface rests on the second engagement element when changing the state of the second transport roller, that the first engagement element slides along the first slope surface or that the first engagement element a roller rolling on the first slope surface, the second engagement element sliding along the second slope surface or the second engagement element having a roller rolling on the second slope surface, the state of the first transport roller being variable by rotation of the first adjustment element, and that the state of the second transport roller is changeable by rotation of the second adjusting element.
  • the adjusting elements each have a gear or gear segment for connection to the mechanical connecting means, it is advantageous if the teeth of the gear or gear segment are formed on the outside of the respective adjusting element.
  • the mechanical connecting means preferably a chain or a toothed belt, may be formed so that it is arranged circumferentially around the adjusting elements. This allows a simple construction of the operating table base.
  • the slope surface may have a first portion with a slope and in particular at least one second portion with a different slope from the slope of the first portion. The course of the extension or retraction movement of the transport rollers is thus dependent on the gradient course and on the drive movement of the drive unit and can be changed by this.
  • the level surfaces of the respective adjusting elements with gradients greater than 0 ° are followed by a level surface with a gradient of 0 °.
  • Grades and degrees are preferably based on the respective Horizontal or to a direction orthogonal to the direction of the translational movement of the transport rollers from the retracted to the extended state or from the extended to the retracted state, so that the slope of 0 ° has no slope relative to the orthogonal plane.
  • the adjustment movement of the mechanical connection means effected by the drive unit is carried out by the drive unit at least during extension of the transport roller until the engagement elements are in each case in engagement with the horizontal level surface, in particular under it.
  • no force is exerted on the mechanical connection means by the weight of the operating table and the operating table is in a stable position.
  • Another advantage is that the operating table does not have to be held in this position by the first drive unit.
  • first guide pin of the first pin guide is received in a first complementary to the guide pin opening of the operating table base such that the first pin guide is rotatably mounted about the first longitudinal axis, and that at least one second guide pin of the second pin guide in a for second guide pin complementary second opening of the operating table base is received such that the second pin guide is rotatably mounted about the second longitudinal axis.
  • first adjusting element and the first pin guide are coaxial about the first bearing pin and the second adjusting element and the second pin guide disposed coaxially about the second journal.
  • the first adjustment unit has a first transport roller holder and a first bearing, wherein the first bearing is arranged between the first pin guide and the first transport roller holder, so that the first transport roller holder is rotatably mounted with the first transport roller about a vertical axis
  • the second adjustment unit has a second transport roller holder and a second bearing, wherein the second bearing is arranged between the second pin guide and the second transport roller holder, so that the second transport roller holder is rotatably mounted with the second transport roller about a vertical axis.
  • the vertical axis is preferably the first or the second longitudinal axis of the journal.
  • the first transport roller is held and guided individually by the first adjustment unit, or if a first transport roller assembly of at least two transport rollers is held and guided by the first adjustment unit. Furthermore, it is advantageous if at least the second transport roller is held and guided by the second adjustment unit or if a second transport roller assembly is held and guided by at least two transport rollers by the second adjustment unit. As a result, a simple connection between the transport rollers and the operating table is possible.
  • At least one drive roller drivable by means of a second drive unit is assigned to a lowering unit which can be driven by the first drive unit via the mechanical connection means, via which the drive roller pivots from a pivoted state to a pivoted state and / or from a pivoted state into a pivoted state State is pivotable.
  • the drive unit changes in a first step, the state of the transport rollers from the retracted state to the extended state and in a second step, the state of the drive roller from retracted to extended state. This is done by continuous actuation of the first drive unit in a movement, in particular direction of rotation. As a result, it is advantageously prevented that the user pivots the drive roller without the transport rollers being in the extended state.
  • the lowering unit has a stepped control profile with at least one step, wherein the step connects a first and a second step surface, wherein the control profile is mechanically fixedly connected to the threaded rod, and wherein the control profile is movable together with this.
  • An actuating element is engaged with the control profile, so that upon movement of the threaded rod, the control profile is guided past the actuating element and the actuating element slides over the first stage.
  • the actuating element can be firmly connected to the threaded rod and move past the control profile on the actuating element.
  • the actuating element is arranged and the step surfaces of the control profile is formed so that a pivoting of the drive roller takes place only when the transport rollers are in the extended state and further displacement of the connecting means causes no further extension of the transport rollers more.
  • the lowering unit has a spring which presses the drive roller against the ground with a pressing force. This ensures in an advantageous manner that the drive roller allows for even bumps a uniform propulsion of the operating table base in a motor drive of the drive roller.
  • the operating table foot in addition to the first and the second adjustment unit, also comprises a third and a fourth adjustment unit, each with an associated transport roller or an associated transport roller assembly. Then all four transport rollers can be simultaneously extended and retracted by a drive on the mechanical connecting means using only one drive unit. As a result, the operating table is raised and / or lowered uniformly and simultaneously, regardless of the load distribution of the operating table. As a result, a comfortable handling of the operating table, in particular for a patient lying on the patient support surface of the operating table, is possible.
  • FIG. 1 1 shows a schematic representation of an operating table 10 according to a first embodiment of the invention with a patient support surface 12, an operating table column 14 and an operating table base 16.
  • the operating table column 14 comprises a column head 18 and a base body 20.
  • the patient support surface 12 has a plurality of components that are adjustable relative to one another in their position, which allow a different positioning of a patient, not shown.
  • the patient support surface 12 has a seat panel 160, a back panel 162, a top panel 164, a two-piece left leg panel 166, and a two-piece right leg panel 168.
  • FIG. 2 is a detailed perspective top view of the chassis 22 of the operating table base 16 shown with a drive unit 80 and arranged in the chassis 22 chain 24 for driving four adjustment units. Elements with the same structure or the same function have the same reference numerals.
  • cover plate of the operating table base 16 is in FIG. 2 not shown, so that in FIG. 2 the chassis 22 and drive elements for extending and retracting transport rollers from the operating table base 16 and a connecting flange 30 for connecting the operating table base 16 to the operating table column 14 are visible.
  • the drive unit 80 comprises an electric motor 81 and a gearbox 26.
  • the gearbox 26 converts a rotational movement of the electric motor 81 into a translatory movement, wherein an in FIG. 3 invisible threaded rod is moved in a rotational movement of the electric motor 81 along its longitudinal axis.
  • the two ends of the threaded rod are connected to the ends of serving as a mechanical connecting means chain 24, which together with the threaded rod a revolving drive train for driving four of the chassis 22 in FIG. 2 concealed Verstellein whatsoever for extending and retracting the transport rollers forms.
  • the chain 24 is engaged with a respective engagement element of the adjusting units.
  • two tensioning gears 28 are provided for guiding and tensioning the chain 24. The drive of the chain 24 will be described below in connection with FIG. 4 explained in more detail.
  • FIG. 3 is the arrangement after FIG. 2 shown without chassis 22, wherein the drive unit 80 and the four engaging with the chain 24 adjusting units 40 to 46 for adjusting a respective transport roller assembly 32 to 38 are shown with two transport rollers 32a, 32b to 38a, 38b.
  • the chain 24 engages with an engaging element of the first adjusting unit 40, the second adjusting unit 42, the third adjusting unit 44 and the fourth adjusting unit 46.
  • the engagement elements of the four adjusting units 40 to 46 are rotated in the same direction of rotation.
  • Each adjustment unit 40 to 46 has three guide pins, respectively, designated 170a to 170c, 172a to 172c, 174a to 174c, and 176a to 176c, each received with a portion in complementary openings of the chassis 22 of the operating table base 16. Furthermore, each adjusting unit 40 to 46 is fixedly connected to the chassis 22 of the operating table base 16 via a threaded section 68 to 74 of a respective journal.
  • FIG. 4 shows a section of the arrangement FIG. 3 , This includes the first adjustment unit 40, the fourth adjustment unit 46 and the gear 26, and the drive unit 80.
  • the first drive unit 80 includes the first electric motor 81, a worm wheel 82 disposed on the output shaft of the electric motor 81, and a bearing 84 received in the chassis 22.
  • the worm wheel 82 is engaged with a female screw gear 90 having an internal thread.
  • the worm wheel 82 and the gear 90 form a worm gear.
  • the gear 90 is laterally delimited by a thrust bearing so that it in the direction of the longitudinal axis of Threaded rod 120 is fixed or stationary.
  • the first thrust bearing 92 is in a first housing member 94 of the transmission 26 and the second thrust bearing in a second in FIG. 4 removed housing member 94 of the transmission 26, wherein the gear 90 is rotatable about the longitudinal axis of the threaded rod 120.
  • the internal thread of the gear 90 is in engagement with an external thread of the threaded rod 120.
  • one end of the chain 24 is fastened via a connecting element 121.
  • the chain 24 forms by a further connection, not shown, of the second end of the chain 24 with the second end of the threaded rod 120 is a closed drive train.
  • the chain 24 is engaged with the first adjustment unit 40 via an engagement member on the outside of the first adjustment unit 40.
  • the first adjustment unit 40 has a first adjustment element 48, a first pin guide 56 and a first threaded section 68, which is formed at the upper end of a first journal, not shown.
  • the first threaded portion 68 serves to make a threaded connection with the chassis 22.
  • an engagement element in the form of a gear segment is formed, which is in engagement with the chain 24.
  • the first pin guide 56 has three upwardly projecting guide pins 170a to 170c and three screws 64a to 64c.
  • the guide pins 170a to 170c project both in the retracted state of the transport rollers and in the extended state of the transport rollers in the chassis 22 provided for openings, the guide pins 170a to 170c are moved relative to the chassis 22 during retraction and extension of the transport rollers along its longitudinal axis. At this time, the movement of the guide pins 170a to 170c is guided in the openings, whereby rotation of the first pin guide 56 is prevented. With the aid of the screws 64a to 64c, the first adjusting element 48 is rotatably supported on the chassis 22.
  • a first transport roller assembly 32 having a first transport roller 32a and a second transport roller 32b is arranged.
  • the first transport roller assembly 32 has an axis 118 which allows for a rolling movement of the first transport roller 32a and the second transport roller 32b about this axis.
  • the fourth adjustment unit 46 has a fourth adjustment element 54, a fourth pin guide 62 and a fourth threaded portion 74 formed at the top on a fourth bearing pin.
  • the threaded portion 74 serves to produce a screw connection with the chassis 22.
  • an engagement element Formed a gear segment At the outer circumference of the fourth adjustment element 54 is an engagement element Formed a gear segment, which is in engagement with the chain 24.
  • the fourth pin guide 62 has three upwardly projecting guide pins 176a to 176c and three screws 67a to 67c.
  • the guide pins 176a to 176c project both in the retracted state of the transport rollers and in the extended state of the transport rollers in openings provided in the chassis 22, wherein the guide pins 176a to 176c are moved relative to the chassis 22 during extension and retraction of the transport rollers along their longitudinal axis. At this time, the movement of the guide pins 176a to 176c is guided in the openings, whereby rotation of the fourth pin guide 62 is prevented. With the aid of the screws 67a to 67c, the fourth adjusting element 54 is rotatably supported on the chassis 22.
  • a fourth transport roller assembly 38 having a seventh transport roller 38a and an eighth transport roller 38b is arranged.
  • the fourth transport roller assembly 38 has a fourth axis that allows for rolling movement of the seventh transport roller 38a and the eighth transport roller 38b about this axis.
  • FIG. 5 is a detailed perspective view of the first adjustment unit 40 together with the first transport roller assembly 32 shown from below.
  • the first adjusting element 48 has on the outer periphery of a gear segment 108, whose central axis coincides with the longitudinal axis of the first bearing pin 116 so that it is rotatable about this longitudinal axis.
  • the first adjustment unit 48 also has a slope surface 110, to which a first level surface 110a and a second level surface 110b join.
  • the first level surface 110a and the second level surface 110b have no slope from the horizontal.
  • the first adjusting element 48 is arranged coaxially in a horizontal plane about the first pin guide.
  • A designed here as a cylindrical pin
  • the first engagement element 112 of the first pin guide 56 is horizontally aligned and contacts the first level surface 110a of the first adjustment element 48.
  • the first level surface 110a rests on the first engagement element 112.
  • FIG. 5 shown view, the lower side of the screw 64a is visible.
  • the upper region of the guide pin 170a like the other guide pins 170b, 170c (not illustrated), is guided in the chassis 22 (not illustrated).
  • the first pin guide 56 can not perform any rotational movement about its vertical longitudinal axis.
  • the longitudinal axis designated as the first longitudinal axis is at the same time the longitudinal axis of the first pin guide 56 and of the first bearing pin 116.
  • a first transport roller holder 100 is rotatably mounted about a first pivot bearing 114 about a rotation axis. These The axis of rotation coincides with the first longitudinal axis.
  • a first transport roller holder 100 of the first transport roller assembly 32 is attached. Both transport rollers 32a, 32b of the transport roller assembly 32 have a common axis 118. The transport roller assembly 32 is free to rotate about the axis of rotation of the transport roller holder 100.
  • the first adjusting element 48 is rotatably mounted about the first longitudinal axis of the bearing journal 116.
  • first adjusting element 48 a rotational movement of the in Fig. 5
  • first level surface 110a and then the first slope surface 110 slide over the first engagement element 112 until the second level surface 110b is located above the first engagement element 112.
  • the adjusting element 48 was displaced upwards, ie in a direction away from the first transport roller assembly 32.
  • the chassis 22 of the operating table base 12 is raised together with the other elements of the operating table 10 when the transport rollers 32a, 32b of the transport roller assembly 32 are extended by the process described and move out of the chassis at the bottom.
  • FIG. 6 shows a detailed perspective side view of the first adjustment unit 40 in the retracted state of the first transport roller assembly 32.
  • the upper part of the guide pins 170a, 170b and the upper part of the screws 64a, 64b can be seen.
  • FIG. 7 shows the perspective side view FIG. 6 in which the first adjustment unit 40 is shown in an intermediate state between the retracted state and the extended state of the first transport roller assembly 32.
  • the first Adjustment element 48 has been rotated so far clockwise and shifted upward that the first slope surface 110 rests on the first engagement member 112.
  • FIG. 7 In addition to the first engagement element 112 of the first adjustment unit 40, another engagement element 113 is in FIG. 7 visible, noticeable. This results in a rotational movement of the first adjusting element 48 through a parallel movement to the first engagement element 112. In this case, a second gradient surface of the first adjustment element 48, which is concealed here, rests on the further engagement element 113.
  • the adjustment element 48 has a total of three equiangularly spaced pitch surfaces 110 and the adjustment unit 40 has a total of three equally spaced angular engagement elements 112, 113th
  • FIG. 8 is the perspective side view of the first adjustment unit 40 with the first transport roller assembly 32 after the FIGS. 6 and 7 shown, in which the first adjustment unit 40 is shown in the extended state of the first transport roller assembly 32.
  • This condition was determined by continuing the clockwise rotation of the first adjusting element 48 from the in FIG. 7 reached shown position.
  • the first engagement element 112 and the further engagement element 113 have been rotated by the adjusting element 48 so far and lifted by sliding along the slope surface 110 that the first engagement member 112 comes to rest under the second level surface 110b.
  • the first adjustment element 48 can not lower without further opposite rotational movement again. The raised from the first adjustment 48 operating table 10 is thus held in a stable position.
  • FIG. 9 shows a detailed sectional view of the first adjustment unit 40 in the retracted state of the transport roller assembly 32.
  • the first bearing pin 116 is connected via the first threaded portion 68 with the chassis 22 of the operating table base 16.
  • the first pin guide 56 rests on the first pivot bearing 114 of the first transport roller holder 100. In particular, it can be seen how the first bearing pin 116 is arranged vertically displaceable relative to the first pin guide 56.
  • the first adjustment element 48 is rotatably mounted about the first longitudinal axis of the first journal 116 and rests on the first engagement member 112 and the further engagement member 113 and the third engagement member, not shown.
  • FIG. 11 is a detailed view of a portion of an assembly of drive elements included in an operating table leg according to a second embodiment, similar to FIG FIG. 4 shown first embodiment.
  • This second embodiment additionally contains a drive roller 146, a second drive unit 144 and a lowering unit 140.
  • a control profile 122 is fixedly connected to the threaded rod 120. With this control profile 122 is an actuating element 124 is engaged.
  • the actuating element 124 is rotatably mounted with a first end on a first pivot bearing 126 about a vertical axis of rotation. At a second end of the actuating element 124 opposite the first end, the latter is in contact with the control profile 122.
  • a deflection rod 130 is connected so that upon rotation around the first pivot bearing 126 of the deflection rod 130 makes a translatory deflection movement.
  • a pretensioned pressure spring 132 is attached to the articulation bar 130 so that a drive roller holder 142 with a drive roller 146 attached thereto is pressed via a third rotary bearing 152 onto an underlying surface, ie, the floor below the operating table base.
  • a second drive unit 144 is connected, which drives the drive roller 146 by motor.
  • the second drive unit 144 is designed as an electric motor.
  • An inclined step 123 is formed on the control profile between a first step surface 123a and a second step surface 123b.
  • the actuating element 124 slides from the first step surface 123a via the step 123 onto the second step surface 123b.
  • the drive roller 146 is pressed onto the floor below the operating table foot.
  • the deflection rod 130 is displaced in the opposite direction by means of a return spring 148, so that the lowering unit 140 together with the drive roller 146 is no longer pressed onto the ground.
  • the lowering unit 140 together with the drive roller 146 is pivoted away via the third pivot bearing 152 from the ground.
  • the force of the return spring 148 is less than the pressure force exerted by the aforementioned pressure spring 132.
  • FIG. 11 is a detailed view of a section of an array of drive elements of a surgical table base according to a third embodiment shown. Unlike the in FIG. 4 shown arrangement of the first embodiment, only the first adjustment unit 40 and the second adjustment unit 42 are provided in the third embodiment. Two further, non-adjustable, transport rollers of the operating table base of the third embodiment are not shown. These other transport rollers stand out permanently down from the operating table base.
  • the chain 24 is guided directly around the first adjusting unit 40 and the second adjusting unit 42 without any further adjusting units being in contact with the chain 24.
  • the further function and the further construction of the operating table base according to the third embodiment coincides with the operating table base 16 of the first embodiment.

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  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
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  • Nursing (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Claims (16)

  1. Pied pour table d'opération (16) pour une table d'opération (10), comportant au moins deux rouleaux de transport télescopiques (32a, 34a),
    dans lequel la table d'opération (10) peut reposer à l'état rentré des rouleaux de transport (32a, 34a) sur au moins un élément d'appui de la table d'opération (10),
    dans lequel la table d'opération (10) est mobile, à l'état déployé des rouleaux de transport (32a, 34a), sur les rouleaux de transport (32a, 34a),
    dans lequel
    une première unité de réglage mécanique (40) est prévue, à l'aide de laquelle l'état du premier rouleau de transport (32a) peut être modifié au moins de l'état rentré à l'état déployé, dans lequel une deuxième unité de réglage mécanique (42) est prévue, à l'aide de laquelle l'état du deuxième rouleau de transport (34a) peut être modifié au moins de l'état rentré à l'état déployé,
    dans lequel la première unité de réglage (40) et la deuxième unité de réglage (42) peuvent être entraînées par une première unité d'entraînement (80) qui est reliée par un moyen de liaison mécanique (24) avec la première et la deuxième unité de réglage (40, 42), caractérisé en ce que
    le moyen de liaison mécanique est une chaîne (24) ou une courroie, dans lequel la première et la deuxième unité de réglage (40, 42) sont reliées par la chaîne (24) ou la courroie avec la première unité d'entraînement (40).
  2. Pied pour table d'opération (16) selon la revendication 1, caractérisé en ce que, à l'état déployé des rouleaux de transport (32a, 34a), aucune force n'est exercée par le poids de la table d'opération (10) sur le moyen de liaison mécanique (24).
  3. Pied pour table d'opération (16) selon l'une des revendications 1 ou 2, caractérisé en ce que la chaîne (24) ou la courroie forme, en particulier avec des éléments de la première unité d'entraînement (80), une chaîne cinématique fermée.
  4. Pied pour table d'opération (16) selon la revendication 3, caractérisé en ce que la première unité d'entraînement (80) comprend un électromoteur (81) qui entraîne, par un étage de transmission (82), un écrou fileté (90) d'un entraînement à vis,
    dans lequel le filetage intérieur de l'écrou fileté (90) est en prise avec le filetage extérieur d'une tige filetée (120) de l'entraînement à vis,
    dans lequel l'écrou fileté (90) est placé de façon fixe dans la direction de l'axe longitudinal de la tige filetée (120) et de façon à pouvoir tourner autour de l'axe longitudinal de la tige filetée (120),
    dans lequel une première extrémité de la tige filetée (120) est reliée par une première extrémité à une première extrémité de la chaîne (24) ou de la courroie, et
    dans lequel une deuxième extrémité de la tige filetée (120) est reliée à une deuxième extrémité de la chaîne (24) ou de la courroie, ou
    en ce que la première unité d'entraînement (80) comprend un vérin synchrone comportant une première tige de piston et une deuxième tige de piston,
    dans lequel l'extrémité libre de la première tige de piston est reliée à une première extrémité de la chaîne (24) ou de la courroie, et
    dans lequel l'extrémité libre de la deuxième tige de piston est reliée à une deuxième extrémité de la chaîne (24) ou de la courroie.
  5. Pied pour table d'opération (16) selon l'une des revendications précédentes, caractérisé en ce que le moyen de liaison (24) est en prise avec une première roue dentée ou un segment de roue dentée (108) de la première unité de réglage (40) et avec une deuxième roue dentée ou un segment de roue dentée de la deuxième unité de réglage (42),
    dans lequel lors d'un mouvement du moyen de liaison (24) en prise avec les roues dentées ou les segments de roues dentées (108), une rotation des roues dentées ou des segments de roues dentées (108) s'effectue, et
    dans lequel par la rotation des roues dentées ou des segments de roue dentée (108), les rouleaux de transport (32a, 34a) peuvent passer de l'état rentré à l'état déployé et de l'état déployé à l'état rentré.
  6. Pied pour table d'opération (16) selon l'une des revendications précédentes, caractérisé en ce que la première unité de réglage (40) a un premier tourillon (116) disposé verticalement comportant un premier axe longitudinal vertical, en ce que la première unité de réglage (40) a un premier guide de tourillon (56) pour le guidage d'un mouvement relatif entre le premier guide de tourillon (56) et le premier tourillon (116) en direction verticale,
    en ce que la première unité de réglage (40) a au moins un premier élément de réglage (48) avec une première surface d'inclinaison (110), avec laquelle un premier élément de mise en prise (112) du premier guide de tourillon (56) est en prise de telle sorte que lors d'un mouvement relatif du premier élément de mise en prise (112) le long de la première surface d'inclinaison (110), un mouvement de réglage en translation du premier élément de réglage (48) s'effectue,
    en ce que la deuxième unité de réglage (42) a un deuxième tourillon disposé verticalement comportant un deuxième axe longitudinal vertical,
    en ce que la deuxième unité de réglage (42) a un deuxième guide de tourillon (58) pour le guidage d'un mouvement relatif entre le deuxième guide de tourillon (58) et le deuxième tourillon (116) dans la direction verticale, et
    en ce que la deuxième unité de réglage (42) a au moins un deuxième élément de réglage (50) avec une deuxième surface d'inclinaison avec laquelle un deuxième élément de mise en prise du deuxième guide de tourillon (58) est en prise de telle sorte que lors d'un mouvement relatif du deuxième élément de mise en prise le long de la deuxième surface d'inclinaison, un mouvement de réglage en translation du deuxième élément de réglage (50) s'effectue.
  7. Pied pour table d'opération (16) selon la revendication 6, caractérisé en ce que les surfaces d'inclinaison (110) du premier élément de réglage (48) et du deuxième élément de réglage (50) ont respectivement une inclinaison supérieure à 0°, et
    en ce qu'aux surfaces d'inclinaison (110) du premier élément de réglage (48) et du deuxième élément de réglage (50) s'adjoint respectivement une surface de niveau (110b) avec une inclinaison de 0°.
  8. Pied pour table d'opération (16) selon la revendication 6 ou 7, caractérisé en ce que l'extrémité supérieure du premier tourillon (116) a une zone de liaison sur laquelle le premier tourillon (116) est lié fixement avec un châssis (22) du pied pour table d'opération (16),
    en ce que l'extrémité supérieure du deuxième tourillon a une zone de liaison sur laquelle le deuxième tourillon est lié fixement au châssis (22) du pied pour table d'opération (16), en ce que le premier élément de réglage (48) de la première unité de réglage (40) est monté de façon à pouvoir tourner autour du premier axe longitudinal,
    en ce que le deuxième élément de réglage (50) de la deuxième unité de réglage (42) est monté de façon à pouvoir tourner autour du deuxième axe longitudinal,
    en ce que le premier élément de réglage (48) et le deuxième élément de réglage (50) sont reliés par le moyen de liaison mécanique (24) avec l'unité d'entraînement (80) de telle sorte qu'ils puissent tourner autour de l'axe longitudinal du tourillon respectif (116) lors de l'entraînement par l'unité d'entraînement (80),
    en ce que la première surface d'inclinaison (110) repose sur le premier élément de mise en prise (112) lors du changement de l'état du premier rouleau de transport (32a),
    en ce que la deuxième surface d'inclinaison repose sur le deuxième élément de mise en prise lors du changement de l'état du deuxième rouleau de transport (34a),
    en ce que le premier élément de mise en prise (112) coulisse le long de la première surface d'inclinaison (110), ou
    en ce que le premier élément de mise en prise (112) a un rouleau qui roule sur la première surface d'inclinaison (110), en ce que le deuxième élément de mise en prise coulisse sur la deuxième surface d'inclinaison, ou en ce que le deuxième élément de mise en prise a un rouleau qui roule sur la deuxième surface d'inclinaison,
    en ce que l'état du premier rouleau de transport (32a) peut être modifié par rotation du premier élément de réglage (48), et
    en ce que l'état du deuxième rouleau de transport (34a) peut être modifié par rotation du deuxième élément de réglage (50).
  9. Pied pour table d'opération (16) selon l'une des revendications 6 à 8, caractérisé en ce qu'au moins une première broche de guidage (170a) du premier guidage de tourillon (56) est reçue dans une première ouverture du pied pour table d'opération (16) complémentaire à la première broche de guidage (170a) de telle sorte que le premier guidage de tourillon (56) est monté fixement autour du premier axe longitudinal, et
    en ce qu'au moins une deuxième broche de guidage (172a) du deuxième guidage de tourillon (58) est reçue dans une deuxième ouverture du pied pour table d'opération (16) complémentaire à la deuxième broche de guidage (172b) de telle sorte que le deuxième guidage de tourillon (58) est monté fixement autour du deuxième axe longitudinal.
  10. Pied pour table d'opération (16) selon l'une des revendications 6 à 9, caractérisé en ce que le premier élément de réglage (48) et le premier guidage de tourillon (56) sont disposés de façon coaxiale autour du premier tourillon (116), et
    en ce que le deuxième élément de réglage (42) et le deuxième guidage de tourillon (58) sont disposés de façon coaxiale autour du deuxième tourillon.
  11. Pied pour table d'opération (16) selon l'une des revendications 6 à 10, caractérisé en ce que la première unité de réglage (40) a un premier support de rouleau de transport (100) et un premier palier (114), dans lequel le premier palier (114) est disposé entre le premier guidage de tourillon (56) et le premier support de rouleau de transport (100) de sorte que le premier support de rouleau de transport (100) est monté avec le premier rouleau de transport (32a) de façon à pouvoir tourner autour d'un axe vertical, et
    en ce que la deuxième unité de réglage (42) a un deuxième support de rouleau de transport (102) et un deuxième palier, dans lequel le deuxième palier est disposé entre le deuxième guidage de tourillon (58) et le deuxième support de rouleau de transport (102) de sorte que le deuxième support de rouleau de transport (102) avec le deuxième rouleau de transport (34a) est monté de façon à pouvoir tourner autour d'un axe vertical.
  12. Pied pour table d'opération (16) selon l'une des revendications précédentes, caractérisé en ce qu'au moins le premier rouleau de transport (32a) est maintenu et guidé par la première unité de réglage (40), de préférence une première liaison de rouleaux de transport (32) constituée du premier rouleau de transport (32a) et d'un autre rouleau de transport (32b), et en ce qu'au moins le deuxième rouleau de transport (34a) est maintenu et conduit par la deuxième unité de réglage (42), de préférence une deuxième liaison de rouleaux de transport (34) constituée du deuxième rouleau de transport (34a) et d'un autre rouleau de transport (34b).
  13. Pied pour table d'opération (16) selon l'une des revendications précédentes, caractérisé en ce qu'au moins un rouleau d'entraînement pouvant être entraîné à l'aide d'une autre deuxième unité d'entraînement (144) est affecté à une unité d'abaissement (140) pouvant être entraînée par le moyen de liaison mécanique (24), par laquelle le rouleau d'entraînement (146) peut pivoter d'un état remonté à un état abaissé et/ou d'un état abaissé à un état remonté.
  14. Pied pour table d'opération (16) selon la revendication 13, caractérisé en ce que la première unité d'entraînement (80) modifie, dans une première étape, l'état des rouleaux de transport (32a, 34a) de l'état rentré à l'état déployé et dans une deuxième étape, modifie l'état des rouleaux (146) de l'état déployé à l'état rentré.
  15. Pied pour table coopération (16) selon la revendication 4 et l'une des revendications 13 ou 14, caractérisé en ce que l'unité d'abaissement (140) a un profil de commande étagé (122) comportant au moins un étage (123), dans lequel l'étage (123) relie une première et une deuxième surface étagées (123a, 123b), dans lequel le profil de commande (122) est relié mécaniquement de façon fixe avec la tige filetée (120) et dans lequel le profil de commande (122) peut être mobile,
    en ce qu'un élément d'actionnement (124) est en prise avec le profil de commande (122),
    en ce que lors d'un mouvement de la tige filetée (120), le profil de commande (122) est acheminé le long de l'élément d'actionnement (124) de sorte que l'élément d'actionnement (124) est décalé sur le premier étage (123),
    dans lequel par l'élément d'actionnement (124) lors d'un mouvement sur l'au moins un étage (123) du profil de commande (122), un mouvement de réglage du rouleau d'entraînement (146) s'effectue de l'état abaissé à l'état remonté ou de l'état remonté à l'état abaissé.
  16. Pied pour table d'opération (16) selon la revendication 15, caractérisé en ce que l'unité d'abaissement (140) a un ressort qui pousse le rouleau d'entraînement (146) avec une force de pression contre le sol.
EP15171217.1A 2014-07-04 2015-06-09 Pied pour table d'opération Not-in-force EP2962675B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15171217T PL2962675T3 (pl) 2014-07-04 2015-06-09 Stopa do stołu operacyjnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014109376.3A DE102014109376B4 (de) 2014-07-04 2014-07-04 Operationstischfuß für einen Operationstisch

Publications (2)

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EP2962675A1 EP2962675A1 (fr) 2016-01-06
EP2962675B1 true EP2962675B1 (fr) 2017-07-19

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US (1) US10028874B2 (fr)
EP (1) EP2962675B1 (fr)
JP (1) JP6055517B2 (fr)
KR (1) KR101691743B1 (fr)
CN (1) CN105267002B (fr)
BR (1) BR102015013333A2 (fr)
DE (1) DE102014109376B4 (fr)
PL (1) PL2962675T3 (fr)
RU (1) RU2607607C1 (fr)

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RU2607607C1 (ru) 2017-01-10
CN105267002B (zh) 2017-06-30
JP2016016325A (ja) 2016-02-01
KR20160004966A (ko) 2016-01-13
JP6055517B2 (ja) 2016-12-27
CN105267002A (zh) 2016-01-27
DE102014109376B4 (de) 2017-11-09
PL2962675T3 (pl) 2017-12-29
BR102015013333A2 (pt) 2016-08-23
KR101691743B1 (ko) 2016-12-30
EP2962675A1 (fr) 2016-01-06
DE102014109376A1 (de) 2016-01-07
US10028874B2 (en) 2018-07-24
US20160000623A1 (en) 2016-01-07

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